. >>> leon panetta said the u.s. sent troops to the border of syria and libya for possible cross-cultural violence. the u.s. has been working with jordan to monitor chemical and biological weapon's sites in syria and to have them deal with refugees pouring over the border from syria. the u.s. will, the u.s. presence will establish a headquarters and beef up jordan's military capabilities should violence erupt on the border. >>> fireworks at a hearing on capitol hill today. trying to defend the obama administration's handling of the terrorist attack on the american consulate in libya. the attack killed a u.s. embass door and three other americans. tom fitzgerald is following this. this is a political battle. >> reporter: it really has and showed no sign of letting up. the republicans have been accusing the obama administration of not doing enough to protect the consulate, while democrats say the focus should be on fining who was responsible for that attack in ben ghazi on september 11th, not the deciding blame. obama